diff --git a/src/plugins/qmakeprojectmanager/externaleditors.cpp b/src/plugins/qmakeprojectmanager/externaleditors.cpp
index fc696a303d8594efc4c3dee67d59ace538b02657..2db1e4ad7c3eba60aaa17ce3a82d303ef9804d81 100644
--- a/src/plugins/qmakeprojectmanager/externaleditors.cpp
+++ b/src/plugins/qmakeprojectmanager/externaleditors.cpp
@@ -51,7 +51,7 @@ enum { debug = 0 };
 namespace QmakeProjectManager {
 namespace Internal {
 
-// Figure out the Qt4 project used by the file if any
+// Figure out the qmake project used by the file if any
 static QmakeProject *qmakeProjectFor(const QString &fileName)
 {
     if (ProjectExplorer::Project *baseProject = ProjectExplorer::SessionManager::projectForFile(fileName))
diff --git a/src/plugins/qmakeprojectmanager/makestep.h b/src/plugins/qmakeprojectmanager/makestep.h
index 493835a7dff6559547c4c633ead157436a2b0372..0a540888095b7d7cc90ae7c88264d65b1110759d 100644
--- a/src/plugins/qmakeprojectmanager/makestep.h
+++ b/src/plugins/qmakeprojectmanager/makestep.h
@@ -143,6 +143,6 @@ private:
     bool m_ignoreChange;
 };
 
-} // Qt4ProjectManager
+} // QmakeProjectManager
 
 #endif // MAKESTEP_H
diff --git a/src/plugins/qmakeprojectmanager/qmakebuildconfiguration.h b/src/plugins/qmakeprojectmanager/qmakebuildconfiguration.h
index 80506f8cc65bfb34199da9e14d698ccd82762244..28e53975b75e3633792d0d9a7f8ca8870d932e09 100644
--- a/src/plugins/qmakeprojectmanager/qmakebuildconfiguration.h
+++ b/src/plugins/qmakeprojectmanager/qmakebuildconfiguration.h
@@ -96,7 +96,7 @@ public:
 
     virtual bool isEnabled() const;
     virtual QString disabledReason() const;
-    /// \internal For Qt4Project, since that manages the parsing information
+    /// \internal For QmakeProject, since that manages the parsing information
     void setEnabled(bool enabled);
 
     BuildType buildType() const;
diff --git a/src/plugins/qmakeprojectmanager/qmakenodes.cpp b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
index eb2eeb507c607ccc03c5a28fe4e89b83483bfcde..51d945d7e794d663967002855b496bd7dfbdf3a7 100644
--- a/src/plugins/qmakeprojectmanager/qmakenodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
@@ -1733,7 +1733,7 @@ void QmakeProFileNode::applyEvaluate(EvalResult evalResult, bool async)
     }
 
     if (debug)
-        qDebug() << "Qt4ProFileNode - updating files for file " << m_projectFilePath;
+        qDebug() << "QmakeProFileNode - updating files for file " << m_projectFilePath;
 
     QmakeProjectType projectType = proFileTemplateTypeToProjectType(
                 (evalResult == EvalOk ? m_readerExact : m_readerCumulative)->templateType());
diff --git a/src/plugins/qmakeprojectmanager/qmakeproject.cpp b/src/plugins/qmakeprojectmanager/qmakeproject.cpp
index 7f0fa420e21d1000435f8afbc0be29e58c0f5d95..10179e3f2e297abb4c02e3560b6bb7d1884d6a53 100644
--- a/src/plugins/qmakeprojectmanager/qmakeproject.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakeproject.cpp
@@ -921,7 +921,7 @@ static FolderNode *folderOf(FolderNode *in, FileType fileType, const QString &fi
     return 0;
 }
 
-// Find the Qt4ProFileNode that contains a file of a certain type.
+// Find the QmakeProFileNode that contains a file of a certain type.
 // First recurse down to folder, then find the pro-file.
 static QmakeProFileNode *proFileNodeOf(QmakeProFileNode *in, FileType fileType, const QString &fileName)
 {
@@ -1392,7 +1392,7 @@ bool QmakeProject::supportsNoTargetPanel() const
     return true;
 }
 
-// All the Qt4 run configurations should share code.
+// All the Qmake run configurations should share code.
 // This is a rather suboptimal way to do that for disabledReason()
 // but more pratical then duplicated the code everywhere
 QString QmakeProject::disabledReasonForRunConfiguration(const QString &proFilePath)
diff --git a/src/plugins/qmakeprojectmanager/wizards/qtwizard.h b/src/plugins/qmakeprojectmanager/wizards/qtwizard.h
index 7317b0ca50410be98f0eccb5003496e65c528b1d..3c12284ebf49058154c5256bdd4ed3a45cc19cbd 100644
--- a/src/plugins/qmakeprojectmanager/wizards/qtwizard.h
+++ b/src/plugins/qmakeprojectmanager/wizards/qtwizard.h
@@ -102,7 +102,7 @@ private:
     enum { targetPageId = 1 };
 };
 
-/* BaseQt4ProjectWizardDialog: Additionally offers modules page
+/* BaseQmakeProjectWizardDialog: Additionally offers modules page
  * and getter/setter for blank-delimited modules list, transparently
  * handling the visibility of the modules page list as well as a page
  * to select targets and Qt versions.